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<article class="Vimdoc VimdocJa">
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<a class="Constant" href="if_mzsch.html" name="if_mzsch.txt">if_mzsch.txt</a>&nbsp;&nbsp;For&nbsp;<span class="Identifier">Vim version 8.0.</span>&nbsp;&nbsp;Last change: 2016 Jan 24<br>
<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Identifier">VIM REFERENCE MANUAL&nbsp;&nbsp;&nbsp;&nbsp;by Sergey Khorev</span><br>
<br>
<br>
The MzScheme Interface to Vim&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme" name="mzscheme">mzscheme</a>&nbsp;<a class="Constant" href="if_mzsch.html#MzScheme" name="MzScheme">MzScheme</a><br>
<br>
1. Commands&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-commands">mzscheme-commands</a><br>
2. Examples&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-examples">mzscheme-examples</a><br>
3. Threads&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-threads">mzscheme-threads</a><br>
4. Vim access from MzScheme&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-vim">mzscheme-vim</a><br>
5. mzeval() Vim function&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-mzeval">mzscheme-mzeval</a><br>
6. Using Function references&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-funcref">mzscheme-funcref</a><br>
7. Dynamic loading&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-dynamic">mzscheme-dynamic</a><br>
8. MzScheme setup&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-setup">mzscheme-setup</a><br>
<br>
<span class="Special">{Vi does not have any of these commands}</span><br>
<br>
The MzScheme interface is available only if Vim was compiled with the<br>
<a class="Identifier" href="various.html#+mzscheme">+mzscheme</a>&nbsp;feature.<br>
<br>
Based on the work of Brent Fulgham.<br>
Dynamic loading added by Sergey Khorev<br>
<br>
MzScheme and PLT Scheme names have been rebranded as Racket. For more<br>
information please check&nbsp;<span class="Constant"><a href="http://racket-lang.org">http://racket-lang.org</a></span><br>
<br>
Futures and places of Racket version 5.x up to and including 5.3.1 do not<br>
work correctly with processes created by Vim.<br>
The simplest solution is to build Racket on your own with these features<br>
disabled:<br>
<div class="helpExample">&nbsp;&nbsp;./configure --disable-futures --disable-places --prefix=your-install-prefix</div>
<br>
To speed up the process, you might also want to use --disable-gracket and<br>
--disable-docs<br>
<br>
<span class="PreProc">==============================================================================</span><br>
1. Commands&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-commands" name="mzscheme-commands">mzscheme-commands</a><br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#:mzscheme" name=":mzscheme">:mzscheme</a>&nbsp;<a class="Constant" href="if_mzsch.html#:mz" name=":mz">:mz</a><br>
:<span class="Special">[range]</span>mz[scheme]&nbsp;<span class="Special">{stmt}</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute MzScheme statement&nbsp;<span class="Special">{stmt}</span>.&nbsp;&nbsp;<span class="Special">{not in Vi}</span><br>
<br>
:<span class="Special">[range]</span>mz[scheme] &lt;&lt;&nbsp;<span class="Special">{endmarker}</span><br>
<span class="Special">{script}</span><br>
<span class="Special">{endmarker}</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute inlined MzScheme script&nbsp;<span class="Special">{script}</span>.<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Todo">Note</span>: This command doesn't work if the MzScheme<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;feature wasn't compiled in.&nbsp;&nbsp;To avoid errors, see<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_perl.html#script-here">script-here</a>.<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#:mzfile" name=":mzfile">:mzfile</a>&nbsp;<a class="Constant" href="if_mzsch.html#:mzf" name=":mzf">:mzf</a><br>
:<span class="Special">[range]</span>mzf[ile]&nbsp;<span class="Special">{file}</span>&nbsp;Execute the MzScheme script in&nbsp;<span class="Special">{file}</span>.&nbsp;&nbsp;<span class="Special">{not in Vi}</span><br>
<br>
All of these commands do essentially the same thing - they execute a piece of<br>
MzScheme code, with the &quot;current range&quot; set to the given line<br>
range.<br>
<br>
In the case of :mzscheme, the code to execute is in the command-line.<br>
In the case of :mzfile, the code to execute is the contents of the given file.<br>
<br>
MzScheme interface defines exception exn:vim, derived from exn.<br>
It is raised for various Vim errors.<br>
<br>
During compilation, the MzScheme interface will remember the current MzScheme<br>
collection path. If you want to specify additional paths use the<br>
'current-library-collection-paths' parameter. E.g., to cons the user-local<br>
MzScheme collection path:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;:mz &lt;&lt; EOF<br>
&nbsp;&nbsp;&nbsp;&nbsp;(current-library-collection-paths<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(cons<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(build-path (find-system-path 'addon-dir) (version) &quot;collects&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(current-library-collection-paths)))<br>
&nbsp;&nbsp;&nbsp;&nbsp;EOF</div>
<br>
<br>
All functionality is provided through module vimext.<br>
<br>
The exn:vim is available without explicit import.<br>
<br>
To avoid clashes with MzScheme, consider using prefix when requiring module,<br>
e.g.:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (require (prefix vim- vimext))</div>
<br>
All the examples below assume this naming scheme.&nbsp;<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-sandbox" name="mzscheme-sandbox">mzscheme-sandbox</a><br>
When executed in the&nbsp;<a class="Identifier" href="eval.html#sandbox">sandbox</a>, access to some filesystem and Vim interface<br>
procedures is restricted.<br>
<br>
<span class="PreProc">==============================================================================</span><br>
2. Examples&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-examples" name="mzscheme-examples">mzscheme-examples</a><br>
<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (display &quot;Hello&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz (display (string-append &quot;Using MzScheme version &quot; (version)))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (require (prefix vim- vimext)) ; for MzScheme &lt; 4.x<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (require (prefix-in vim- 'vimext)) ; MzScheme 4.x<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (vim-set-buff-line 10 &quot;This is line #10&quot;)</div>
<br>
To see what version of MzScheme you have:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzscheme (display (version))</div>
<br>
Inline script usage:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;function! &lt;SID&gt;SetFirstLine()<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz &lt;&lt; EOF<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(display &quot;!!!&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(require (prefix vim- vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;; for newer versions (require (prefix-in vim- 'vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vim-set-buff-line 1 &quot;This is line #1&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vim-beep)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EOF<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;endfunction</div>
<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nmap &lt;F9&gt; :call &lt;SID&gt;SetFirstLine() &lt;CR&gt;</div>
<br>
File execution:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mzfile supascript.scm</div>
<br>
Vim exception handling:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz &lt;&lt; EOF<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(require (prefix vim- vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;; for newer versions (require (prefix-in vim- 'vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(with-handlers<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;([exn:vim? (lambda (e) (display (exn-message e)))])<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vim-eval &quot;nonsense-string&quot;))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EOF</div>
<br>
Auto-instantiation of vimext module (can be placed in your&nbsp;<a class="Identifier" href="starting.html#vimrc">vimrc</a>):<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;function! MzRequire()<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:redir =&gt; l:mzversion<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz (version)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:redir END<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if strpart(l:mzversion, 1, 1) &lt; &quot;4&quot;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot; MzScheme versions &lt; 4.x:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz (require (prefix vim- vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;else<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot; newer versions:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:mz (require (prefix-in vim- 'vimext))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;endif<br>
&nbsp;&nbsp;&nbsp;&nbsp;endfunction</div>
<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;if has(&quot;mzscheme&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;silent call MzRequire()<br>
&nbsp;&nbsp;&nbsp;&nbsp;endif</div>
<br>
<span class="PreProc">==============================================================================</span><br>
3. Threads&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-threads" name="mzscheme-threads">mzscheme-threads</a><br>
<br>
The MzScheme interface supports threads. They are independent from OS threads,<br>
thus scheduling is required. The option&nbsp;<a class="Type" href="options.html#'mzquantum'">'mzquantum'</a>&nbsp;determines how often<br>
Vim should poll for available MzScheme threads.<br>
<span class="Todo">NOTE</span><br>
Thread scheduling in the console version of Vim is less reliable than in the<br>
GUI version.<br>
<br>
<span class="PreProc">==============================================================================</span><br>
4. Vim access from MzScheme&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-vim" name="mzscheme-vim">mzscheme-vim</a><br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-vimext" name="mzscheme-vimext">mzscheme-vimext</a><br>
The&nbsp;<span class="MissingTag">'vimext'</span>&nbsp;module provides access to procedures defined in the MzScheme<br>
interface.<br>
<br>
Common<br>
<span class="PreProc">------</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;(command&nbsp;<span class="Special">{command-string}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Perform the vim &quot;:Ex&quot; style command.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(eval&nbsp;<span class="Special">{expr-string}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Evaluate the vim expression into<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;respective MzScheme object:&nbsp;<a class="Identifier" href="eval.html#Lists">Lists</a>&nbsp;are<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;represented as Scheme lists,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="eval.html#Dictionaries">Dictionaries</a>&nbsp;as hash tables,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="eval.html#Funcref">Funcref</a>s as functions (see also<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Identifier" href="if_mzsch.html#mzscheme-funcref">mzscheme-funcref</a>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Todo">NOTE</span>&nbsp;the name clashes with MzScheme eval,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;use module qualifiers to overcome this.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(range-start)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Start/End of the range passed with<br>
&nbsp;&nbsp;&nbsp;&nbsp;(range-end)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; the Scheme command.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(beep)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;beep<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-option&nbsp;<span class="Special">{option-name}</span>&nbsp;<span class="Special">[buffer-or-window]</span>) Get Vim option value (either<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;local or global, see set-option).<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-option&nbsp;<span class="Special">{string}</span>&nbsp;<span class="Special">[buffer-or-window]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set a Vim option. String must have option<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setting form (like optname=optval, or<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;optname+=optval, etc.) When called with<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Special">{buffer}</span>&nbsp;or&nbsp;<span class="Special">{window}</span>&nbsp;the local option will<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;be set. The symbol 'global can be passed<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;as&nbsp;<span class="Special">{buffer-or-window}</span>. Then&nbsp;<a class="Identifier" href="options.html#:setglobal">:setglobal</a><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;will be used.<br>
<br>
Buffers&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-buffer" name="mzscheme-buffer">mzscheme-buffer</a><br>
<span class="PreProc">-------</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;(buff?&nbsp;<span class="Special">{object}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Is object a buffer?<br>
&nbsp;&nbsp;&nbsp;&nbsp;(buff-valid?&nbsp;<span class="Special">{object}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Is object a valid buffer? (i.e.<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;corresponds to the real Vim buffer)<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-line&nbsp;<span class="Special">{linenr}</span>&nbsp;<span class="Special">[buffer]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get line from a buffer.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-buff-line&nbsp;<span class="Special">{linenr}</span>&nbsp;<span class="Special">{string}</span>&nbsp;<span class="Special">[buffer]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set a line in a buffer. If&nbsp;<span class="Special">{string}</span>&nbsp;is #f,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the line gets deleted.&nbsp;&nbsp;The&nbsp;<span class="Special">[buffer]</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;argument is optional. If omitted, the<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;current buffer will be used.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-line-list&nbsp;<span class="Special">{start}</span>&nbsp;<span class="Special">{end}</span>&nbsp;<span class="Special">[buffer]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a list of lines in a buffer.&nbsp;<span class="Special">{Start}</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and&nbsp;<span class="Special">{end}</span>&nbsp;are 1-based and inclusive.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-buff-line-list&nbsp;<span class="Special">{start}</span>&nbsp;<span class="Special">{end}</span>&nbsp;<span class="Special">{string-list}</span>&nbsp;<span class="Special">[buffer]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set a list of lines in a buffer. If<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;string-list is #f or null, the lines get<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;deleted. If a list is shorter than<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Special">{end}</span>-<span class="Special">{start}</span>&nbsp;the remaining lines will<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;be deleted.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-name&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a buffer's text name.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-num&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Get a buffer's number.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-size&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get buffer line count.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(insert-buff-line-list&nbsp;<span class="Special">{linenr}</span>&nbsp;<span class="Special">{string/string-list}</span>&nbsp;<span class="Special">[buffer]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insert a list of lines into a buffer after<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Special">{linenr}</span>. If&nbsp;<span class="Special">{linenr}</span>&nbsp;is 0, lines will be<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inserted at start.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(curr-buff)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Get the current buffer. Use other MzScheme<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;interface procedures to change it.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(buff-count)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get count of total buffers in the editor.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-next-buff&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get next buffer.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-prev-buff&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get previous buffer. Return #f when there<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;are no more buffers.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(open-buff&nbsp;<span class="Special">{filename}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Open a new buffer (for file &quot;name&quot;)<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-by-name&nbsp;<span class="Special">{buffername}</span>) Get a buffer by its filename or #f<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if there is no such buffer.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-buff-by-num&nbsp;<span class="Special">{buffernum}</span>)&nbsp;&nbsp; Get a buffer by its number (return #f if<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;there is no buffer with this number).<br>
<br>
Windows&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-window" name="mzscheme-window">mzscheme-window</a><br>
<span class="PreProc">------</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;(win?&nbsp;<span class="Special">{object}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Is object a window?<br>
&nbsp;&nbsp;&nbsp;&nbsp;(win-valid?&nbsp;<span class="Special">{object}</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Is object a valid window (i.e. corresponds<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to the real Vim window)?<br>
&nbsp;&nbsp;&nbsp;&nbsp;(curr-win)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the current window.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(win-count)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Get count of windows.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-num&nbsp;<span class="Special">[window]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get window number.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-by-num&nbsp;<span class="Special">{windownum}</span>)&nbsp;&nbsp;&nbsp;&nbsp;Get window by its number.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-buffer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="Special">[window]</span>)&nbsp;&nbsp; Get the buffer for a given window.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-height&nbsp;<span class="Special">[window]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-win-height&nbsp;<span class="Special">{height}</span>&nbsp;<span class="Special">[window]</span>)&nbsp;&nbsp;Get/Set height of window.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-width&nbsp;<span class="Special">[window]</span>)<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-win-width&nbsp;<span class="Special">{width}</span>&nbsp;<span class="Special">[window]</span>)Get/Set width of window.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-win-list&nbsp;<span class="Special">[buffer]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Get list of windows for a buffer.<br>
&nbsp;&nbsp;&nbsp;&nbsp;(get-cursor&nbsp;<span class="Special">[window]</span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Get cursor position in a window as<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a pair (linenr . column).<br>
&nbsp;&nbsp;&nbsp;&nbsp;(set-cursor (line . col)&nbsp;<span class="Special">[window]</span>)&nbsp;&nbsp;Set cursor position.<br>
<br>
<span class="PreProc">==============================================================================</span><br>
5. mzeval() Vim function&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-mzeval" name="mzscheme-mzeval">mzscheme-mzeval</a><br>
<br>
To facilitate bi-directional interface, you can use&nbsp;<a class="Identifier" href="eval.html#mzeval()">mzeval()</a>&nbsp;function to<br>
evaluate MzScheme expressions and pass their values to Vim script.<br>
<br>
<span class="PreProc">==============================================================================</span><br>
6. Using Function references&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-funcref" name="mzscheme-funcref">mzscheme-funcref</a><br>
<br>
MzScheme interface allows use of&nbsp;<a class="Identifier" href="eval.html#Funcref">Funcref</a>s so you can call Vim functions<br>
directly from Scheme. For instance:<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;function! MyAdd2(arg)<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return a:arg + 2<br>
&nbsp;&nbsp;&nbsp;&nbsp;endfunction<br>
&nbsp;&nbsp;&nbsp;&nbsp;mz (define f2 (vim-eval &quot;function(\&quot;MyAdd2\&quot;)&quot;))<br>
&nbsp;&nbsp;&nbsp;&nbsp;mz (f2 7)</div>
&nbsp;&nbsp;or :<br>
<div class="helpExample">&nbsp;&nbsp;&nbsp;&nbsp;:mz (define indent (vim-eval &quot;function('indent')&quot;))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&quot; return Vim indent for line 12<br>
&nbsp;&nbsp;&nbsp;&nbsp;:mz (indent 12)</div>
<br>
<br>
<span class="PreProc">==============================================================================</span><br>
7. Dynamic loading&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-dynamic" name="mzscheme-dynamic">mzscheme-dynamic</a>&nbsp;<a class="Constant" href="if_mzsch.html#E815" name="E815">E815</a><br>
<br>
On MS-Windows the MzScheme libraries can be loaded dynamically. The&nbsp;<a class="Identifier" href="various.html#:version">:version</a><br>
output then includes&nbsp;<a class="Identifier" href="various.html#+mzscheme/dyn">+mzscheme/dyn</a>.<br>
<br>
This means that Vim will search for the MzScheme DLL files only when needed.<br>
When you don't use the MzScheme interface you don't need them, thus you can<br>
use Vim without these DLL files.<br>
<span class="Todo">NOTE</span>: Newer version of MzScheme (Racket) require earlier (trampolined)<br>
initialisation via scheme_main_setup.&nbsp;&nbsp;So Vim always loads the MzScheme DLL at<br>
startup if possible.<br>
<br>
To use the MzScheme interface the MzScheme DLLs must be in your search path.<br>
In a console window type &quot;path&quot; to see what directories are used.<br>
<br>
The names of the DLLs must match the MzScheme version Vim was compiled with.<br>
For MzScheme version 209 they will be &quot;libmzsch209_000.dll&quot; and<br>
&quot;libmzgc209_000.dll&quot;. To know for sure look at the output of the &quot;:version&quot;<br>
command, look for -DDYNAMIC_MZSCH_DLL=&quot;something&quot; and<br>
-DDYNAMIC_MZGC_DLL=&quot;something&quot; in the &quot;Compilation&quot; info.<br>
<br>
For example, if MzScheme (Racket) is installed at C:\Racket63, you may need<br>
to set the environment variable as the following:<br>
<br>
<div class="helpExample">&nbsp;&nbsp;PATH=%PATH%;C:\Racket63\lib<br>
&nbsp;&nbsp;PLTCOLLECTS=C:\Racket63\collects<br>
&nbsp;&nbsp;PLTCONFIGDIR=C:\Racket63\etc</div>
<br>
<span class="PreProc">==============================================================================</span><br>
8. MzScheme setup&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a class="Constant" href="if_mzsch.html#mzscheme-setup" name="mzscheme-setup">mzscheme-setup</a>&nbsp;<a class="Constant" href="if_mzsch.html#E895" name="E895">E895</a><br>
<br>
Vim requires &quot;racket/base&quot; module for if_mzsch core (fallback to &quot;scheme/base&quot;<br>
if it doesn't exist), &quot;r5rs&quot; module for test and &quot;raco ctool&quot; command for<br>
building Vim.&nbsp;&nbsp;If MzScheme did not have them, you can install them with<br>
MzScheme's raco command:<br>
<br>
<div class="helpExample">&nbsp;&nbsp;raco pkg install scheme-lib&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # scheme/base module<br>
&nbsp;&nbsp;raco pkg install r5rs-lib&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # r5rs module<br>
&nbsp;&nbsp;raco pkg install cext-lib&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # raco ctool command</div>
<br>
<span class="PreProc">======================================================================</span><br>
&nbsp;&nbsp;vim:tw=78:ts=8:sts=4:ft=help:norl:<br>
</div>

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